Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
07/1999
07/22/1999WO1999037039A2 A multi-frequency voltage regulating circuit incorporating a magnetic field sensor and programmable magnetic field detection
07/22/1999WO1999037012A1 A robust lc full-wave bridge rectifier input structure
07/22/1999DE19832557A1 Output circuit for pulse inverter driving electric motor
07/21/1999EP0929931A1 Power supply using synchronous rectification
07/21/1999EP0929926A1 Method and apparatus for supplying contactless power
07/21/1999CN2330108Y AC-DC converter
07/21/1999CN2330098Y Inverter
07/21/1999CN1223752A Drive device for roll stands
07/21/1999CN1223499A Synchronous rectifier device for alternator
07/21/1999CN1044304C Improved power converter device for direct current power supply to an electric arc furnace
07/20/1999US5926382 Power electronic circuit arrangement
07/20/1999US5926381 DC power supply apparatus
07/20/1999US5925984 Circuit arrangement having LC parallel tuned drive circuitry
07/20/1999US5925929 Cooling apparatus for electronic elements
07/15/1999WO1999035725A1 An improved connector scheme for a power pod power delivery system
07/15/1999DE19819809C1 Reducing the intermediate circuit tension in an electrically driven injection machine and process equipment
07/14/1999CN1222648A Compressor driving apparatus
07/14/1999CN1044182C Single-phase-input mixed-rectification method using auxiliary rectification
07/13/1999US5923550 In an alternating current electric power transmission system
07/13/1999US5923548 Active clamp used to maintain proper current transformer operation
07/13/1999US5923546 Control circuit and method for driving and controlling parasitic vibration of a piezoelectric transformer-inverter
07/13/1999US5923542 Method and apparatus for driving piezoelectric transformer
07/13/1999US5923158 Power control apparatus for solar power generation system
07/13/1999US5923155 Circuit for the production of an auxiliary voltage
07/13/1999US5923135 Control apparatus and method for motor to prevent motor drive circuit from being overloaded
07/08/1999DE19831151A1 Procedure for open- or closed-loop control of power output of inverter
07/07/1999EP0928061A1 Neutral-point inverter
07/07/1999EP0928060A1 DC/DC converter having improved efficiency
07/07/1999EP0928059A2 Current-voltage converter and relative control circuit
07/07/1999EP0928058A1 Current control device of a DC-DC switching converter
07/07/1999EP0927452A1 Power supply circuit
07/07/1999CN2328130Y Power source for electric dust collector
07/07/1999CN2328127Y Drier for electric motor windings
07/07/1999CN1222266A AC/AC converter
07/06/1999US5920474 Power supply for electrostatic devices
07/06/1999US5920469 DC power supply operable from variable A.C. supply mains and utilizing minimally sized energy storage capacitor
07/06/1999CA2115852C Overvoltage protection circuit
07/01/1999DE19756250A1 Selbstgeführter Stromrichter eines spannungseinprägenden Umrichters mit Hochleistungs-Modulen Self-commutated converters of a voltage-converter with high power modules
06/1999
06/30/1999EP0926926A1 Device for supplying a plurality of resonant circuits by means of an inverter type power generator
06/30/1999EP0926807A1 Three-phase AC/DC converter
06/30/1999EP0925837A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
06/30/1999EP0925711A2 Circuit arrangement for operating a discharge lamp
06/30/1999CN2327116Y AC.-dc. safety energy-saving electric-power-supply converter
06/30/1999CN1221245A Apparatus of inverse change
06/29/1999US5917722 Inverter circuit
06/29/1999US5917721 Apparatus for reducing the effects of turn on delay errors in motor control
06/29/1999US5917720 Method and circuit for driving a bridge by a PWM procedure
06/29/1999US5917718 Method and apparatus for eliminating overmodulation in a power plant
06/29/1999US5917711 DC power supply apparatus
06/24/1999WO1999031791A1 Self-commutated power converter of a voltage-impressing converter with n high-power modules
06/24/1999WO1999019974A3 Power loss reduction in power conversion circuitry
06/24/1999DE19756463A1 Connector- and sensor assembly group for current converter
06/23/1999EP0924845A2 Power semiconductor module
06/23/1999EP0846273B1 Radiofrequency interface device for a transponder
06/23/1999CN2325922Y AC-DC insulation module
06/23/1999CN1220572A Free oscillator circuit with simple starting circuit
06/23/1999CN1043745C Power source for electric arc welding
06/22/1999US5914984 Method and device for pulse width modulation control
06/22/1999US5914869 Ac/dc transformerless voltage converter
06/22/1999US5914866 Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error
06/22/1999US5914860 Small volume heat sink/electronic assembly
06/22/1999US5914577 Power train partition for 10 horsepower motor controller
06/22/1999US5914569 Switching controller and control device for a low pressure fluorescent lamp
06/22/1999US5914066 Circuit for the control of energy supply in a resonance converter
06/22/1999CA2256778A1 Power semiconductor module
06/22/1999CA2143367C System and method for controlling dc to ac voltage inverter
06/17/1999WO1999030409A1 Switched-mode power supply with current and voltage limitation
06/17/1999WO1999030408A1 Capacitor supply unit
06/17/1999WO1999019977A3 Converter/inverter full bridge ballast circuit
06/16/1999EP0923189A2 Voltage converter
06/16/1999EP0923182A2 Non-contact power transmitting device
06/16/1999EP0922326A1 Improved current control process and device for a voltage converter
06/16/1999EP0922322A2 Power back
06/16/1999CN2324701Y DC-AC power converter
06/16/1999CN2324700Y Inverter for power-off emergency lighting
06/16/1999CN2324699Y Contravariant xenon lamp source
06/16/1999CN1220026A DC transformer/reactor
06/16/1999CN1219910A Pwm变换器控制装置 Pwm inverter control device
06/16/1999CN1219798A Three-phase rectification circuit with power-factor correction and harmonic wave inhibiting circuit
06/16/1999CN1219792A Three-phase power supply consisting of single-phase one with correction of power factor
06/16/1999CN1219695A Controllable voltage and current power supply circuit of active capacitor regulation
06/15/1999US5912813 Method and apparatus for controlling reflected voltage using a motor controller
06/15/1999US5912794 Abnormality detection and protection circuit for semiconductor device
06/10/1999DE19754239A1 Kondensatornetzteil Capacitive power supply
06/09/1999EP0921628A1 Device for converting an A.C. voltage into a D.C. voltage
06/09/1999EP0921626A2 Switching-type DC power source apparatus
06/09/1999EP0920266A1 Electrical circuit for supplying power
06/09/1999EP0867060B1 Electrical power supply with low-loss making-current limitation and step-up converter circuit
06/09/1999EP0792533B1 A system for off-mains switching of current consuming devices such as actuators
06/09/1999CN1218717A Control cabinet for static dust-removing power
06/08/1999US5910892 High power motor drive converter system and modulation control
06/08/1999US5910891 For use in a display monitor
06/08/1999CA2118150C Digital current regulator
06/03/1999WO1999027639A1 Power converter
06/03/1999WO1999027638A1 Frequency converter and ups employing the same
06/03/1999WO1999026806A1 Controller for battery-operated vehicle
06/03/1999CA2311584A1 Frequency converter and ups employing the same
06/02/1999EP0920118A2 Resonance power supply circuit
06/02/1999EP0920117A2 Phase control device for the inverter of an oscillating circuit
06/02/1999EP0919081A1 Inverter for inputting sinusoidal currents into an alternating current network
1 ... 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 ... 462